D Question 3 If a class contains an abstract method: O The method must be overridden...

 

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D Question 3 If a class contains an abstract method: O The method must be overridden in subclasses. O You cannot create an instance of the class. O The method will have only a header, but not a body, and end with a semicolon. All of the above. 1 pts Look at the following code: Line 1 public class ClassA Line 2 [ Line 3 public ClassA() { Line 4 public void method 1(int a)[] Line 5 } Line 6 public class ClassB extends ClassA Line 7 [ Line 8 public ClassB00 Line 9 public void method10){} Line 10 ] Line 11 public class ClassC extends ClassB Line 12 ( Line 13 public ClassC(){} Line 14 public void method100) Line 15 } 4 Which method will be executed when the following statements are executed? ClassC item1= new ClassA(); item1.method10: O Line 14 Line 9 Line 4 This is an error and will cause the program to crash D Question 3 If a class contains an abstract method: O The method must be overridden in subclasses. O You cannot create an instance of the class. O The method will have only a header, but not a body, and end with a semicolon. All of the above. 1 pts Look at the following code: Line 1 public class ClassA Line 2 [ Line 3 public ClassA() { Line 4 public void method 1(int a)[] Line 5 } Line 6 public class ClassB extends ClassA Line 7 [ Line 8 public ClassB00 Line 9 public void method10){} Line 10 ] Line 11 public class ClassC extends ClassB Line 12 ( Line 13 public ClassC(){} Line 14 public void method100) Line 15 } 4 Which method will be executed when the following statements are executed? ClassC item1= new ClassA(); item1.method10: O Line 14 Line 9 Line 4 This is an error and will cause the program to crash

Answer rating: 100% (QA)

first question all of the above abstract method have only method signa... View the full answer